VENTURA COUNTY
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Fast Response Locksmith

2010 Cadillac STS
Key Replacement - Save vs Dealer in Ventura County

No Towing Required | We Bring the Shop

Available
2010 Cadillac STS Smart Key
Smart Key

You shouldn't have to take a day off work for a car key. Our mobile service meets you at your location on your schedule. Most appointments available same day.

CA BSIS LICENSE LCO#6792
Service at Your Door No Appointments On Your Schedule
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Stranded without a 2010 Cadillac STS key? EZ Car Keyz Oxnard CA can help
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
Stranded without a 2010 Cadillac STS key? EZ Car Keyz Oxnard CA can help
Key specialists
Key Specialists
Fully equipped mobile unit - all makes and models
Fixed pricing
At Your Location
Home, office, parking lot - wherever you are
Fast mobile service
No Towing Needed
We handle everything on-site, even all-keys-lost
805 Special
10% OFFCODE:EZ-805-2026

🔥 No dealer trip, plus a discount 🔥

Use at home, office, or roadside
REDEEM (805) 790-8162

2010 Cadillac STS
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Cadillac key typeMost Popular
2010 Cadillac STS Smart Key M3N5WY7777A
FCC IDM3N5WY7777APart #25943676Buttons5BatteryCR2032Frequency315 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Transponder Key
2010 Cadillac STS Transponder Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2010 Cadillac STS Smart Key
FCC IDPart #25995382ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Emergency 2010 Cadillac STS key fob made from scratch by EZ Car Keyz Oxnard CA
Skip the Dealer Markup
Professional key, honest rate
Emergency 2010 Cadillac STS key fob made from scratch by EZ Car Keyz Oxnard CA
🔧 PRO TIP
The 2010 STS runs a GM proximity smart key system -- same architecture that GM used across multiple full-size and luxury platforms in that era. The fob takes a CR2032 and has five buttons. A weak battery on these doesn't always kill the fob outright. Sometimes it just gets flaky: the car sees it in your pocket fine but then throws a key-not-detected warning when you're standing right at the door, or the start button gets hesitant. Swap the CR2032 first, seat it firmly, and retest all five buttons and both door handles before assuming the fob is dead or needs programming. Also worth knowing: if you bought a replacement fob online, it still has to be registered to the car through the OBD port. There is no ignition-turn self-programming sequence for the STS smart key. That DIY trick only applies to older bladed transponder setups, not proximity fobs.
Related services: Ignition Repair · Smart Key

Your Cadillac STS Key at Your Location

Your driveway vs their service bay

EZ Car Keyz
EZ Car Keyz
Dealership
Average Cost
✓ $$
✕ $$$$
Location
✓ We come to you
✕ You drive there
Wait Time
✓ 20-45 min
✕ 2-5 days
Same-Day
✓ Yes
✕ Rarely
All Keys Lost
✓ No problem
✕ Tow required
OEM Quality
✓ Yes
✓ Yes
EZ Car Keyz wins 5 out of 6
We bring the shop to you
Book Service (805) 790-8162

2010 Cadillac STS Smart Key Replacement - Fast, Affordable & Professional

Out in La Colonia, I got a call around midnight from a guy who had been standing in his driveway for forty minutes trying to figure out what happened to his 2010 STS.

The fob had been getting weird for about a week. Sometimes the door handle wouldn't respond on the first touch. Sometimes it would take two or three tries to get the start button to register. He figured it was just being temperamental and kept putting off dealing with it. Then it stopped working entirely, and he was locked out with no backup key.

By the time I pulled up, he had already looked up flatbed rates and was mentally preparing to wait until the dealer opened in the morning. He looked genuinely surprised when I told him I could handle it in the driveway.

I connected to the OBD port, ran the all-keys-lost procedure for the GM proximity system, and registered the new fob on site. The whole sequence has a built-in wait period baked into the process -- that is just how the system works, not a complication -- so I walked him through what was happening while we waited it out. Once it finished, I tested every button, both door handles, and confirmed the start function before I packed up.

He saved a good chunk compared to what the dealer would have charged, and he didn't have to pay for a tow on top of it. The part that seemed to stick with him was just that it was done in his own driveway at midnight instead of sometime the next afternoon.

Save vs the Dealer on Your Cadillac STS Key

Get your key for hundreds less than the dealer. Same quality, same result, better price.

Get Pricing (805) 790-8162 Text Us
BSIS Licensed Locksmith - California License LCO#6792
BSIS Licensed
CA Bureau of Security & Investigative Services
NASTF Certified Automotive Locksmith - Vehicle Security Professional
NASTF Certified
National Automotive Service Task Force
Fully Insured Locksmith - Hiscox Liability and Vehicle Damage Coverage
Fully Insured
Liability & vehicle damage coverage
Google Guaranteed Locksmith - Verified and Background Checked
Google Guaranteed
Verified & backed by Google
Also serving: Blackstock · Carriage Square · Channel Islands Harbor · College Estates

Cadillac STS Rapid Response, Done Right

Rapid response in the field

All keys lost service for 2010 Cadillac STS by EZ Car Keyz Oxnard CA
Smart Key | Rapid On-Site Service
2010 Cadillac STS | Ventura County
All keys lost service for 2010 Cadillac STS by EZ Car Keyz Oxnard CA
2010 Cadillac STS Smart Key
2010 Cadillac STS
Smart Key | Made at Your Door
Estimated arrival time to Oxnard
We Come to You
Rapid Arrival
Available Today
Service location Oxnard
Oxnard
We Come Here
805 Area
Same-Day Keys (805) 790-8162

Cadillac Customers Love the Convenience

What doorstep service looks like in reviews

G
Guillermo C.
Dec 2025
★★★★★

“I called EZ Car Keyz to unlock my truck, make a key, and sync a new key fob. They were at my location within minutes and handled everything fast and friendly. Prices were great and the service was excellent.”

Google Review
G
Gregorio P.
May 2021
★★★★★

“Steve was incredibly helpful when I lost my car keys. He came out the exact same day and I only waited about 30 minutes. I really needed to get to work and he completely saved me.”

Google Review
A
Antoine M.
Dec 2025
★★★★★

“I am very pleased with the value of the service I received from Marco at EZ Car Keyz. They arrived extremely fast, opened my door in no time, and the price was right on point.”

Google Review
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Locked out rescue review for 2010 Cadillac STS - EZ Car Keyz Oxnard CA
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Locked out rescue review for 2010 Cadillac STS - EZ Car Keyz Oxnard CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Cadillac STS Mobile Service FAQ

Real costs, no dealer surprises

What is the cheapest way to replace my 2010 Cadillac STS key?
Call a mobile locksmith before you call the dealer. Dealers charge a significant amount for smart key replacement on these, and if you have no working key, you're adding a tow bill on top of that and waiting until business hours. With EZ Car Keyz, I come to you in Oxnard, do the programming on site, and the price covers everything. No tow, no separate line items, no waiting. If you still have one working fob, getting a spare made now costs less than an all-keys-lost job later. That math is worth thinking about before you're stuck.
How much more does all-keys-lost cost compared to just adding a spare?
Are aftermarket fobs cheaper and will they actually work on the STS?
My STS start button is unresponsive but the doors unlocked fine. What's going on?
Can I use the metal key inside the fob to start the 2010 STS if the fob stops working?
Questions? Call (805) 790-8162

Cadillac STS Key Service Areas

Home, work, or roadside in any city

📍Ventura County & SB
Ventura County service area map
805 LOCAL LOCKSMITH
need a key? 🔑
Santa Barbara
Santa BarbaraETA 30-35 min
Goleta
GoletaETA 30-35 min
Isla Vista
Isla VistaETA 30-35 min
Montecito
MontecitoETA 25-30 min
Carpinteria
CarpinteriaETA 20-25 min
Ojai
OjaiETA 20-25 min
Ventura
VenturaETA 10-15 min
Santa Paula
Santa PaulaETA 20-25 min
Fillmore
FillmoreETA 25-30 min
Oxnard
OxnardETA 10-15 min
Port Hueneme
Port HuenemeETA 10-15 min
Camarillo
CamarilloETA 15-20 min
Moorpark
MoorparkETA 25-30 min
Simi Valley
Simi ValleyETA 30-35 min
Thousand Oaks
Thousand OaksETA 20-25 min
Santa BarbaraGoletaMontecitoCarpinteriaOjaiVenturaSanta PaulaFillmoreOxnardPort HuenemeCamarilloMoorparkSimi ValleyThousand Oaks
Lockout rescue coverage for 2010 Cadillac STS in Ventura County CA
Lockout rescue coverage for 2010 Cadillac STS in Ventura County CA
Stranded in Ventura County? We respond fast

We come to your exact location in any of these cities

SOS Call (805) 790-8162
Filmed on Location
Cadillac STS car key replacement video
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Skip the Dealer, We Drive to You

Your car stays where it is. We drive to you with all the tools and key blanks on board.

Locked out of your 2010 Cadillac STS? Get help from EZ Car Keyz Oxnard CA
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Ventura County